LG GT540 Optimus vs ZTE Axon Pro

Compare recorded specifications, size and practical differences.

+ Add a third phone

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    GT540 Optimus: 57.4 g lighter

    GT540 Optimus:
    115.5 g
    Axon Pro:
    172.9 g
  • Width

    GT540 Optimus: 19.2 mm narrower

    GT540 Optimus:
    54.5 mm
    Axon Pro:
    73.7 mm
  • Screen diagonal

    GT540 Optimus: 2.5 in smaller diagonal

    GT540 Optimus:
    3 in
    Axon Pro:
    5.5 in
  • Rear camera layout

    GT540 Optimus:
    Single
    Axon Pro:
    Dual
  • Depth

    Axon Pro: 3.3 mm thinner

    GT540 Optimus:
    12.7 mm
    Axon Pro:
    9.4 mm
  • Height

    GT540 Optimus: 44.9 mm shorter

    GT540 Optimus:
    109 mm
    Axon Pro:
    153.9 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. GT540 Optimus

    Height:
    109 mm
    Width:
    54.5 mm
    Depth:
    12.7 mm +3.3 mm versus Axon Pro
  2. 2. Axon Pro

    Height:
    153.9 mm +44.9 mm versus GT540 Optimus
    Width:
    73.7 mm +19.2 mm versus GT540 Optimus
    Depth:
    9.4 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. GT540 Optimus

    115.5 g

  2. 2. Axon Pro

    172.9 g

    +57.4 g versus GT540 Optimus

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. GT540 Optimus

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    26.8 cm²
  2. 2. Axon Pro

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Axon Pro has approximately 211.2% more rectangular screen area than GT540 Optimus.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

GT540 Optimus: Original memory entry

139 MB · 156 MB RAM

Axon Pro: Original memory entry

32/64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. GT540 Optimus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Axon Pro

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. GT540 Optimus

    1500 mAh

  2. 2. Axon Pro

    3000 mAh

    +1500 mAh versus GT540 Optimus

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. GT540 Optimus2. Axon Pro

Everyday essentials
Everyday essentials — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Dimensions (HxWxD)
  • 109 Х 54.5 Х 12.7 mm
  • 153.9 Х 73.7 Х 9.4 mm
Weight
  • 115.5 g
  • 172.9 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 139 MB
  • 156 MB RAM
  • 32/64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
  • Android 5.1.1 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 26.8 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.1%
  • 73.5%
PPI /points per inch/
  • 192 PPI
  • 534 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 13 MP
  • PDAF -2 MP
  • depth sensor
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 480p@17fps
  • 2160p@30fps
  • 1080p@30fps
  • 720p@120fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
Performance
Performance — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Processor CPU
  • 600 MHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
General specs
General specs — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Release date
  • 2010
  • January
  • 2015
  • July
Colors
  • Black
  • White
  • Pink
  • Ion Gold
  • Chromium Silver
  • Phthalo Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 290 EUR
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G)
  • Stand by time- Up to 240 h (3G) Talking time- Up to 12 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700)
  • 29(700)
  • 30(2300) LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 13(700)
  • 20(800)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for GT540 Optimus, Axon Pro.
SpecificationGT540 OptimusAxon Pro
Dop
  • Sensors Accelerometer MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input Also known as LG GT540 Swift
  • LG Loop GT540
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0)